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From gesterzhou <...@git.apache.org>
Subject [GitHub] geode pull request #451: GEODE-2768: Lucene Queries executed before index is...
Date Wed, 12 Apr 2017 21:09:41 GMT
Github user gesterzhou commented on a diff in the pull request:

    https://github.com/apache/geode/pull/451#discussion_r111261018
  
    --- Diff: geode-lucene/src/main/java/org/apache/geode/cache/lucene/internal/distributed/LuceneQueryFunction.java
---
    @@ -132,6 +133,25 @@ private LuceneIndexImpl getLuceneIndex(final Region region,
         try {
           index =
               (LuceneIndexImpl) service.getIndex(searchContext.getIndexName(), region.getFullPath());
    +      if (index == null && service instanceof LuceneServiceImpl) {
    +        if (((LuceneServiceImpl) service).getDefinedIndex(searchContext.getIndexName(),
    +            region.getFullPath()) != null) {
    +          // The node may be in the process of recovering, where we have the index defined
but yet
    +          // to be recovered
    +          // If we retry fast enough, we could get a stack overflow based on the way
function
    +          // execution is currently written
    +          // Instead we will add an artificial sleep to slow down the retry at this point
    +          // Hopefully in the future, the function execution would retry without adding
to the stack
    +          // and this can be removed
    +          try {
    --- End diff --
    
    Is sleep 100 ms enough? How about using a 10 seconds timeout, but check if it's ready
every 100ms?


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